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Spark Plugs

NGK Iridium IX spark plugs cater to high-performance engines. In conjunction with the fine-point iridium electrode tip, the ground strap comes to a point to further reduce the required voltage for spark to occur.
This is stock heat range for the SR20DET...

These are for SR20DET, fits: S13 / S14 / S15.These spark plugs are two step colder, recommended for SR20DET's making 550 to 600whp.If you are road racing your SR20, and maintain long periods of WOT, the amount of continuous high heat...

These are for SR20DET, fits: S13 / S14 / S15.These spark plugs are two step colder, recommended for SR20DET's making 450 to 500whp.If you are road racing your SR20, and maintain long periods of WOT, the amount of continuous high heat and...